Home / 104,238,159.64-143,788,895.79-65,011,834.82

Finding the Fourth Proportional to 104,238,159.64, 143,788,895.79 and 65,011,834.82

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Solution

The fourth proportional to 104,238,159.64, 143,788,895.79 and 65,011,834.82 is: 89,679,057.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,238,159.64 : 143,788,895.79 = 65,011,834.82 : x
  2. Step 2: Convert to fraction form
    104,238,159.64/143,788,895.79 = 65,011,834.82/x
  3. Step 3: Cross multiply
    104,238,159.64x = 143,788,895.79 × 65,011,834.82
  4. Step 4: Simplify right side
    104,238,159.64x = 9,347,979,942,165,350
  5. Step 5: Solve for x
    x = 9,347,979,942,165,350/104,238,159.64
  6. Step 6: Final answer
    x = 89,679,057.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.